"accrued over" is a correct and usable phrase in written English which means to accumulate or grow over time.
For example, "The company's profits accrued over the past year."
Real wealth was something accrued over generations, not days.
But Mr. Spurlock's documentary, he said, had helped remind him of what has accrued over time.
Here was the damage, accrued over 35 excruciating minutes: 11 runs, 7 hits and 3 walks.
Deterioration accrued over the following decades and the lighting elements stopped functioning some years ago.
I had accrued over $85,000 in debt over the course of six years.
In 1929, just before the Great Depression in the US, the top 1% accrued over 22% of total national income.
Saudi Arabia's government, for instance, has been paying back the debt accrued over 17 years of budget deficits.
Its composition accrued over a period of centuries' oral tradition, going back to the 6th century events it deals with.
Substitution rate differs from most traits studied in that it cannot be observed directly, but must be inferred from substitutions accrued over a long period of time.
Relative cost calculations are presented in establishing this guidance by comparing the utility's profit accrued over a total cycle for the different core designs and cycle lengths.
Pages of lined paper bear names, dates, trips and sums -- a ledger of the debt accrued over the past two months that amounts to $2,200.
